CA1196382A - Circuit de mesure de courants pour commandes de moteur - Google Patents

Circuit de mesure de courants pour commandes de moteur

Info

Publication number
CA1196382A
CA1196382A CA000434949A CA434949A CA1196382A CA 1196382 A CA1196382 A CA 1196382A CA 000434949 A CA000434949 A CA 000434949A CA 434949 A CA434949 A CA 434949A CA 1196382 A CA1196382 A CA 1196382A
Authority
CA
Canada
Prior art keywords
isolation transformer
current
voltage
sensing circuit
current sensing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000434949A
Other languages
English (en)
Inventor
Donald E. Fulton
William P. Curtiss
William T. Fejes, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imec Corp
Original Assignee
Imec Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Imec Corp filed Critical Imec Corp
Application granted granted Critical
Publication of CA1196382A publication Critical patent/CA1196382A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/505Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/515Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/525Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Of Electric Motors In General (AREA)
CA000434949A 1982-09-08 1983-08-19 Circuit de mesure de courants pour commandes de moteur Expired CA1196382A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US416,356 1982-09-08
US06/416,356 US4461987A (en) 1982-09-08 1982-09-08 Current sensing circuit for motor controls

Publications (1)

Publication Number Publication Date
CA1196382A true CA1196382A (fr) 1985-11-05

Family

ID=23649631

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000434949A Expired CA1196382A (fr) 1982-09-08 1983-08-19 Circuit de mesure de courants pour commandes de moteur

Country Status (6)

Country Link
US (1) US4461987A (fr)
EP (1) EP0102623A1 (fr)
JP (1) JPS5965771A (fr)
KR (1) KR840005942A (fr)
BR (1) BR8304853A (fr)
CA (1) CA1196382A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2231105B (en) * 1989-04-24 1993-04-14 Sealol Drained face seal
US5295037A (en) * 1992-01-27 1994-03-15 General Electric Company Molded case circuit breaker-process loop unit
US7388735B2 (en) * 2005-12-24 2008-06-17 Dinjoker Co., Ltd. Current inductive timer socket
RU2601262C2 (ru) * 2012-10-17 2016-10-27 Родэ Унд Шварц Гмбх Унд Ко. Кг Способ и устройство широкополосной связи с высоким уровнем (гальванической) развязки
KR101444371B1 (ko) * 2013-01-18 2014-09-24 (주)테라에너지시스템 전자기 유도 방식 전원 공급 장치
CN109541272B (zh) * 2018-12-22 2024-04-19 蚌埠学院 一种基于变压器耦合的模拟信号隔离方法及隔离电路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1178239A (en) * 1966-12-30 1970-01-21 British Iron Steel Research Electric motor regulating systems.
AT300108B (de) * 1967-07-01 1972-07-10 Siemens Ag Gleichspannungswandler mit einer Brückenschaltung mit vormagnetisierten Feldplatten
GB1215248A (en) * 1967-12-12 1970-12-09 Siemens Ag Arrangements for short-circuit indication or protection in unidirectional-voltage supply systems
GB1253829A (en) * 1968-10-24 1971-11-17 Bradley Ltd G & E Improvements in or relating to amplitude modulators
US4027239A (en) * 1975-11-25 1977-05-31 The United States Of America As Represented By The United States Energy Research And Development Administration Current level detector
US4206397A (en) * 1978-03-13 1980-06-03 Rosemount Inc. Two wire current transmitter with improved voltage regulator
JPS5928148B2 (ja) * 1978-12-30 1984-07-11 ファナック株式会社 誘導電動機の運転制御装置
US4333046A (en) * 1979-08-15 1982-06-01 The Scott & Fetzer Company Power factor control of a three-phase induction motor
US4404511A (en) * 1980-10-23 1983-09-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Motor power factor controller with a reduced voltage starter
US4400657A (en) * 1981-11-30 1983-08-23 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Triac failure detector

Also Published As

Publication number Publication date
US4461987A (en) 1984-07-24
JPS5965771A (ja) 1984-04-14
BR8304853A (pt) 1984-04-24
KR840005942A (ko) 1984-11-19
EP0102623A1 (fr) 1984-03-14

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry